2621429 has 8 divisors (see below), whose sum is σ = 2692320. Its totient is φ = 2551536.

The previous prime is 2621387. The next prime is 2621431. The reversal of 2621429 is 9241262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2621429 - 2¹⁶ = 2555893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2621398 and 2621407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9122 + ... + 9404.

It is an arithmetic number, because the mean of its divisors is an integer number (336540).

2^2621429 is an apocalyptic number.

It is an amenable number.

2621429 is a deficient number, since it is larger than the sum of its proper divisors (70891).

2621429 is a wasteful number, since it uses less digits than its factorization.

2621429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499.

The product of its digits is 1728, while the sum is 26.

The square root of 2621429 is about 1619.0827650247. The cubic root of 2621429 is about 137.8836273006.

The spelling of 2621429 in words is "two million, six hundred twenty-one thousand, four hundred twenty-nine".